Foetal ejection reflex are the mild uterine contractions which happens as a neuroendocrine mechanism when fully developed fetus sends signals which triggers the maternal pituitary to release oxytocin .
As the said lady fails to develop foetal ejection reflex , the doctor will inject oxytocin into her, which would lead to uterine contractions which would result in expulsion of the baby out of the uterus through the birth canal.